GARY B. SMITH - 20 Dec 2023 Form 4 Insider Report for CIENA CORP (CIEN)

Role: President, CEO, Director
Signature: By: Michelle Rankin For: Gary B. Smith
Issuer symbol: CIEN
Transactions as of: 20 Dec 2023
Transactions value $: -$1,520,550
Form type: 4
Filing time: 22 Dec 2023, 09:39:31 UTC
Previous filing: 18 Dec 2023
Next filing: 04 Jan 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CIEN	Common Stock	Tax liability	-$92.6K	-2.13K	-0.39%	$43.58	536K	20 Dec 2023	Direct	F1, F2
transaction	CIEN	Common Stock	Tax liability	-$113K	-2.58K	-0.48%	$43.58	533K	20 Dec 2023	Direct	F2, F3
transaction	CIEN	Common Stock	Tax liability	-$128K	-2.93K	-0.55%	$43.58	530K	20 Dec 2023	Direct	F2, F4
transaction	CIEN	Common Stock	Tax liability	-$71K	-1.63K	-0.31%	$43.58	529K	20 Dec 2023	Direct	F2, F5
transaction	CIEN	Common Stock	Tax liability	-$311K	-7.14K	-1.35%	$43.58	522K	20 Dec 2023	Direct	F2, F6
transaction	CIEN	Common Stock	Tax liability	-$295K	-6.76K	-1.3%	$43.58	515K	20 Dec 2023	Direct	F2, F7
transaction	CIEN	Common Stock	Tax liability	-$511K	-11.7K	-2.28%	$43.58	503K	20 Dec 2023	Direct	F2, F8

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/16/2020. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/18/2020.
F2	Shares reported include unvested Restricted Stock Units (RSUs) and Performance Stock Units (PSUs).
F3	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/17/2019. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/19/2019.
F4	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/13/2022. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/15/2022.
F5	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a restricted stock unit (RSU) award agreement dated 12/14/2021. Acquisition of the RSU was previously reported in Table I of the reporting person's Form 4 filed on 12/16/2021.
F6	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a market stock unit (MSU) award agreement dated 12/16/2020. The earning of the MSU was previously reported on Table I of the reporting person's Form 4 filed on 12/14/2023.
F7	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/13/2022. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/14/2023.
F8	Represents shares withheld to cover payment of the tax liabilities of the reporting person related to a performance stock unit (PSU) award agreement dated 12/14/2021. The earning of the PSU was previously reported on Table I of the reporting person's Form 4 filed on 12/15/2022.